“You are what you eat,” the saying goes, but is what you eat playing a role in how much you sleep? Sleep, like nutrition and physical activity, is a critical determinant of health and well-being. With the increasing prevalence of obesity and its consequences, sleep researchers have begun to explore the factors that predispose individuals to weight gain and ultimately obesity. Now, a new study from the Perelman School of Medicine at the University of Pennsylvania shows for the first time that certain nutrients may play an underlying role in short and long sleep duration and that people who report eating a large variety of foods – an indicator of an overall healthy diet – had the healthiest sleep patterns. The new research is published online, ahead-of-print in the journal Appetite.

“Although many of us inherently recognize that there is a relationship between what we eat and how we sleep…